제출 #409490

#제출 시각아이디문제언어결과실행 시간메모리
409490rrrr10000Calvinball championship (CEOI15_teams)C++14
10 / 100
44 ms65540 KiB
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(long long i=0;i<(long long)(n);i++) #define REP(i,k,n) for(long long i=k;i<(long long)(n);i++) #define pb emplace_back #define lb(v,k) (lower_bound(all(v),(k))-v.begin()) #define ub(v,k) (upper_bound(all(v),(k))-v.begin()) #define fi first #define se second #define pi M_PI #define PQ(T) priority_queue<T> #define SPQ(T) priority_queue<T,vector<T>,greater<T>> #define dame(a) {out(a);return 0;} #define decimal cout<<fixed<<setprecision(15); #define all(a) a.begin(),a.end() #define rsort(a) {sort(all(a));reverse(all(a));} #define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());} typedef long long ll; typedef pair<ll,ll> P; typedef tuple<ll,ll,ll> PP; typedef tuple<ll,ll,ll,ll> PPP; using vi=vector<ll>; using vvi=vector<vi>; using vvvi=vector<vvi>; using vvvvi=vector<vvvi>; using vp=vector<P>; using vvp=vector<vp>; using vb=vector<bool>; using vvb=vector<vb>; const ll inf=1001001001001001001; const ll INF=1001001001; const ll mod=1000000007; const double eps=1e-10; template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;} template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;} template<class T> void out(T a){cout<<a<<'\n';} template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';} template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';} template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);} template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';} template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);} template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);} template<class T> void yesno(T b){if(b)out("yes");else out("no");} template<class T> void YesNo(T b){if(b)out("Yes");else out("No");} template<class T> void YESNO(T b){if(b)out("YES");else out("NO");} template<class T> void outset(T s){auto itr=s.begin();while(itr!=s.end()){if(itr!=s.begin())cout<<' ';cout<<*itr;itr++;}cout<<'\n';} void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);} ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);} ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;} class segtree{ vi seg;ll N=1; public: ll g=-inf; ll f(ll a,ll b){ return max(a,b); } segtree(ll n,ll k){ while(N<n)N*=2; seg=vi(N*2-1,g); rep(i,n)seg[i+N-1]=k; for(ll i=N-2;i>=0;i--)seg[i]=f(seg[i*2+1],seg[i*2+2]); } segtree(vi v){ while(N<v.size())N*=2; seg=vi(N*2-1,g); rep(i,v.size())seg[i+N-1]=v[i]; for(ll i=N-2;i>=0;i--)seg[i]=f(seg[i*2+1],seg[i*2+2]); } void add(ll i,ll x){ i+=N-1; seg[i]+=x; while(i>0){ i=(i-1)/2; seg[i]=f(seg[i*2+1],seg[i*2+2]); } } void update(ll i,ll x){ i+=N-1; seg[i]=x; while(i>0){ i=(i-1)/2; seg[i]=f(seg[i*2+1],seg[i*2+2]); } } ll get(ll l,ll r){ ll res=g; l+=N-1;r+=N-1; while(l<r){ if(!(l&1))res=f(res,seg[l]); if(!(r&1))res=f(res,seg[r-1]); l=l>>1; r=(r-1)>>1; } return res; } void debug(ll n){ rep(i,n)cout<<' '<<seg[i+N-1];cout<<endl; } }; int main(){ ll n;cin>>n; vi v(n);rep(i,n){cin>>v[i];v[i]--;} vvi dp(n,vi(n)); rep(i,n)rep(j,n){ if(j<v[i])dp[i][j]++; dp[i][j]%=1000007; if(i!=n-1){ dp[i+1][j]+=dp[i][j]*(j+1); if(j!=n-1)dp[i+1][j+1]+=dp[i][j]; } } ll ans=1; rep(i,n)ans+=dp[n-1][i]; out(ans%1000007); }

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In constructor 'segtree::segtree(vi)':
teams.cpp:64:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |         while(N<v.size())N*=2;
      |               ~^~~~~~~~~
teams.cpp: In member function 'void segtree::debug(ll)':
teams.cpp:3:20: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    3 | #define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
      |                    ^~~
teams.cpp:97:9: note: in expansion of macro 'rep'
   97 |         rep(i,n)cout<<' '<<seg[i+N-1];cout<<endl;
      |         ^~~
teams.cpp:97:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   97 |         rep(i,n)cout<<' '<<seg[i+N-1];cout<<endl;
      |                                       ^~~~
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